242153351 has 4 divisors (see below), whose sum is σ = 264167304. Its totient is φ = 220139400.

The previous prime is 242153341. The next prime is 242153357. The reversal of 242153351 is 153351242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242153351 - 2¹⁰ = 242152327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242153351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242153357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11006960 + ... + 11006981.

It is an arithmetic number, because the mean of its divisors is an integer number (66041826).

Almost surely, 2^242153351 is an apocalyptic number.

242153351 is a deficient number, since it is larger than the sum of its proper divisors (22013953).

242153351 is a wasteful number, since it uses less digits than its factorization.

242153351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22013952.

The product of its digits is 3600, while the sum is 26.

The square root of 242153351 is about 15561.2772933330. The cubic root of 242153351 is about 623.2995707133.

The spelling of 242153351 in words is "two hundred forty-two million, one hundred fifty-three thousand, three hundred fifty-one".